CBPRestActivity::ValidateProperties: Bitrix method

      
<?php 
//  CBPRestActivity :: ValidateProperties()
//  /dist/bitrix/modules/bizproc/classes/general/restactivity.php:625

    public static function ValidateProperties($testProperties = array(), CBPWorkflowTemplateUser $user = null)
    {
        $errors = array();

        $activityData = self::getRestActivityData();

        if (!$activityData)
        {
            return $errors;
        }

        $properties = isset($activityData['PROPERTIES']) && is_array($activityData['PROPERTIES']) ? $activityData['PROPERTIES'] : array();
        foreach ($properties as $name => $property)
        {
            $value = isset($property['DEFAULT']) ? $property['DEFAULT'] : null;
            if (isset($testProperties[$name]))
                $value = $testProperties[$name];
            if (CBPHelper::getBool($property['REQUIRED']) && CBPHelper::isEmptyValue($value))
            {
                $errors[] = array(
                    'code' => 'NotExist',
                    'parameter' => $name,
                    'message' => Loc::getMessage('BPRA_PD_ERROR_EMPTY_PROPERTY',
                        array(
                            '#NAME#' => RestActivityTable::getLocalization($property['NAME'], LANGUAGE_ID)
                        )
                    )
                );
            }

        }

        if (
            isset($testProperties['AuthUserId'])
            && isset($activityData['AUTH_USER_ID'])
            && (string) $testProperties['AuthUserId'] !== $activityData['AUTH_USER_ID']
            && !static::checkAdminPermissions()
        )
        {
            $errors[] = array(
                'code' => 'NotExist',
                'parameter' => 'AuthUserId',
                'message' => Loc::getMessage('BPRA_PD_ERROR_EMPTY_PROPERTY',
                    array(
                        '#NAME#' => Loc::getMessage('BPRA_PD_USER_ID')
                    )
                )
            );
        }

        return array_merge($errors, parent::ValidateProperties($testProperties, $user));
    }